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Claude 3 Sonnet vs Phi-3.5-vision-instruct

Claude 3 Sonnet and Phi-3.5-vision-instruct are closely matched at 2.4 and -2.8 on the LLM Stats Score.

Anthropic · Microsoft · Updated for 2026

Which is better?

Claude 3 Sonnet and Phi-3.5-vision-instruct are closely matched on the overall LLM Stats Score at 2.4 and -2.8.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude 3 Sonnet

  • you want predictable pricing at $3.00/M input and $15.00/M output

Choose Phi-3.5-vision-instruct

  • you want the most recent training data — it shipped Aug 2024
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude 3 Sonnet
Anthropic
Phi-3.5-vision-instruct
Microsoft
Core performance indexes
LLM Stats Score
2.4
#297
-2.8
#322
Reasoning
2.3
#287
-4.2
#321
Cost, coverage & limits
Benchmark wins
—
—
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
200,000
—

Individual benchmarks

11 reported for Claude 3 Sonnet · 9 for Phi-3.5-vision-instruct

No common benchmarks found

Claude 3 Sonnet and Phi-3.5-vision-instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Context Window

Maximum input and output token capacity

Only Claude 3 Sonnet specifies input context (200,000 tokens). Only Claude 3 Sonnet specifies output context (200,000 tokens).

Anthropic
Claude 3 Sonnet
Input200,000 tokens
Output200,000 tokens
Microsoft
Phi-3.5-vision-instruct
Input- tokens
Output- tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude 3 Sonnet and Phi-3.5-vision-instruct support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Sonnet

Text
Images
Audio
Video

Phi-3.5-vision-instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude 3 Sonnet is licensed under a proprietary license, while Phi-3.5-vision-instruct uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Claude 3 Sonnet

Proprietary

Closed source

Phi-3.5-vision-instruct

MIT

Open weights

Release Timeline

When each model was launched

Claude 3 Sonnet was released on 2024-02-29, while Phi-3.5-vision-instruct was released on 2024-08-23.

Phi-3.5-vision-instruct is 6 months newer than Claude 3 Sonnet.

Claude 3 Sonnet

Feb 29, 2024

2.5 years ago

Phi-3.5-vision-instruct

Aug 23, 2024

2.0 years ago

5mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Claude 3 Sonnet and Phi-3.5-vision-instruct side-by-side, then vote on the output you prefer.

Claude 3 Sonnet
✓ Preferred
Phi-3.5-vision-instruct
Open in Playground

FAQ

Common questions about Claude 3 Sonnet vs Phi-3.5-vision-instruct.

Which is better, Claude 3 Sonnet or Phi-3.5-vision-instruct?

Claude 3 Sonnet and Phi-3.5-vision-instruct are closely matched on the LLM Stats Score at 2.4 and -2.8. Claude 3 Sonnet is made by Anthropic and Phi-3.5-vision-instruct is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude 3 Sonnet compare to Phi-3.5-vision-instruct in benchmarks?

Claude 3 Sonnet scores ARC-C: 93.2%, GSM8k: 92.3%, HellaSwag: 89.0%, MGSM: 83.5%, BIG-Bench Hard: 82.9%. Phi-3.5-vision-instruct scores ScienceQA: 91.3%, POPE: 86.1%, MMBench: 81.9%, ChartQA: 81.8%, AI2D: 78.1%.

What are the context window sizes for Claude 3 Sonnet and Phi-3.5-vision-instruct?

Claude 3 Sonnet supports 200K tokens and Phi-3.5-vision-instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Sonnet and Phi-3.5-vision-instruct?

Key differences include LLM Stats Score (2.4 vs -2.8), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Sonnet and Phi-3.5-vision-instruct?

Claude 3 Sonnet is developed by Anthropic and Phi-3.5-vision-instruct is developed by Microsoft.

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